#!/bin/bash -e
# Copyright (C) 2023 Simo Sorce <simo@redhat.com>
# SPDX-License-Identifier: Apache-2.0

source "${TESTSSRCDIR}/helpers.sh"

title PARA "Test SSL_CTX creation"
$CHECKER "${TESTBLDDIR}/tlsctx"

title PARA "Test setting cert/keys on TLS Context"
$CHECKER "${TESTBLDDIR}/tlssetkey" "${ECCRTURI}" "${ECPRIURI}"

if [ -n "$ECBASE2URI" ]; then
    title PARA "Test setting cert/keys on TLS Context w/o pub key"
    $CHECKER "${TESTBLDDIR}/tlssetkey" "${ECCRT2URI}" "${ECPRI2URI}"
fi

title PARA "Test an actual TLS connection"

rm -f "${TMPPDIR}/s_server_output"
rm -f "${TMPPDIR}/s_server_ready"
mkfifo "${TMPPDIR}/s_server_ready"

SERVER_PID=-1
# Make sure we terminate programs if test fails in the middle
# shellcheck disable=SC2317  # Shellcheck for some reason does not follow trap
wait_for_server_at_exit() {
    wait "$1" || :
    echo "Server output:"
    cat "${TMPPDIR}/s_server_output"
}
trap 'wait_for_server_at_exit $SERVER_PID;' EXIT

PORT=23456

run_test() {
    KEY="$1"
    CERT="$2"
    SRV_ARGS=$3
    CLNT_ARGS=$4

    export PKCS11_PROVIDER_DEBUG="file:${TMPPDIR}/p11prov-debug-tls-server.log"
    expect -c "spawn $CHECKER openssl s_server $PROPQ -accept \"${PORT}\" -naccept 1 -key \"${KEY}\" -cert \"${CERT}\" $SRV_ARGS;
        set timeout 10;
        expect {
            \"ACCEPT\" {};
            eof { exit 2; }
            timeout { exit 5; }
            default {
                send \" NO ACCEPT \n\";
                exit 1;
            };
        }
        set server_ready [open \"${TMPPDIR}/s_server_ready\" w+];
        puts \$server_ready \"READY\n\";
        close \$server_ready;
        expect {
            \"END SSL SESSION PARAMETERS\" {};
            eof { exit 2; }
            timeout { exit 5; }
            default {
                send \" NO SESSION PARAMETERS \n\";
                exit 1;
            };
        }
        send \" TLS SUCCESSFUL \n\"
        send \"Q\n\"
        expect {
            eof {exit 0;};
            timeout { exit 5; }
            default {
                send \" NO EOF \n\";
                exit 1;
            };
        }" &> "${TMPPDIR}/s_server_output" &
    SERVER_PID=$!

    read -r < "${TMPPDIR}/s_server_ready"

    export PKCS11_PROVIDER_DEBUG="file:${TMPPDIR}/p11prov-debug-tls-client.log"
    expect -c "spawn $CHECKER openssl s_client $PROPQ -connect \"localhost:${PORT}\" -CAfile \"${CACRT}\" $CLNT_ARGS;
        set timeout 10;
        expect {
            \" TLS SUCCESSFUL \" {};
            eof { exit 2; }
            timeout { exit 5; }
            default {
                send \" NO TLS SUCCESSFUL MESSAGE \n\";
                exit 1;
            };
        }
        expect {
            eof {exit 0;};
            timeout { exit 5; }
            default {
                send \" NO EOF \n\";
                exit 1;
            };
        }" || (wait_for_server_at_exit $SERVER_PID; exit 1; )

    wait_for_server_at_exit $SERVER_PID
}

run_tests() {

    title PARA "Run sanity test with default values (RSA)"
    run_test "$PRIURI" "$CRTURI"

    if [[ -n "$RSAPSSBASEURI" ]]; then
        title PARA "Run sanity test with default values (RSA-PSS)"
        run_test "$RSAPSSPRIURI" "$RSAPSSCRTURI"

        title PARA "Run sanity test with RSA-PSS and SHA256"
        run_test "$RSAPSS2PRIURI" "$RSAPSS2CRTURI"
    fi

    title PARA "Run sanity test with default values (ECDSA)"
    run_test "$ECPRIURI" "$ECCRTURI"

    if [[ -n "$EDBASEURI" ]]; then
        title PARA "Run sanity test with default values (Ed25519)"
        run_test "$EDPRIURI" "$EDCRTURI"
    fi

    if [[ -n "$ED2BASEURI" ]]; then
        title PARA "Run sanity test with default values (Ed448)"
        run_test "$ED2PRIURI" "$ED2CRTURI"
    fi

    title PARA "Run test with TLS 1.2"
    run_test "$PRIURI" "$CRTURI" "" "-tls1_2"

    title PARA "Run test with explicit TLS 1.3"
    run_test "$PRIURI" "$CRTURI" "" "-tls1_3"

    title PARA "Run test with TLS 1.2 (ECDSA)"
    run_test "$ECPRIURI" "$ECCRTURI" "-tls1_2" "-tls1_2"

    title PARA "Run test with TLS 1.2 and ECDH"
    run_test "$ECPRIURI" "$ECCRTURI" "" "-tls1_2 -cipher ECDHE-ECDSA-AES128-GCM-SHA256 -groups secp256r1"

    title PARA "Run test with TLS 1.3 and specific suite"
    run_test "$ECPRIURI" "$ECCRTURI" "" "-tls1_3 -ciphersuites TLS_AES_256_GCM_SHA384 -groups secp256r1"
}

title SECTION "TLS with key in provider"
PROPQ=""
run_tests
title ENDSECTION

title SECTION "Forcing the provider for all server operations"
# We can not put this into the openssl.cnf directly, as it would be picked up by softhsm
# causing infinite recursion when doing EdDSA key operations.
PROPQ="-propquery \"?provider=pkcs11\""
# Try again forcing all operations on the token
# We need to disable digest operations as OpenSSL depends on context duplication working
ORIG_OPENSSL_CONF=${OPENSSL_CONF}
sed -e "s/^#pkcs11-module-block-operations/pkcs11-module-block-operations = digest/" \
    "${OPENSSL_CONF}" > "${OPENSSL_CONF}.forcetoken"
OPENSSL_CONF=${OPENSSL_CONF}.forcetoken

run_tests

OPENSSL_CONF=${ORIG_OPENSSL_CONF}
title ENDSECTION

exit 0;
